its probably a strap for an armour plate or something... what do you f*cking think?
And couldn't you of come up with a funnier sound than that. Every unoriginal pile of sh*t uses that song on this site

You all don't get it. See anything around his ears? Neither do I.
They're feeding information to his brain intravenously through his back. It's a remote control module that doesn't require hearing. Duh! Stupid conservatives.